メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.481349045748 40.6255049994274, 140.481594318031 40.6273219694493, 140.480823327685 40.627383794928, 140.479242260944 40.6275151914373, 140.478841786787 40.6275446436616, 140.477926093953 40.6276120595572, 140.477806278773 40.6267420619466, 140.477785216248 40.6266347716423, 140.477663437136 40.6256266552488, 140.477517561131 40.624575192945, 140.477850082431 40.6245614384689, 140.477851120011 40.624570377281, 140.478456352736 40.6245107384901, 140.479067332871 40.6244599795267, 140.479914355814 40.6243905191017, 140.480374435816 40.624353999551, 140.481186954627 40.6242863952972, 140.481349045748 40.6255049994274)) ^^http://www.opengis.net/ont/geosparql#wktLiteral